litellm/tests/local_testing/test_function_call_parsing.py

149 lines
4.5 KiB
Python

# What is this?
## Test to make sure function call response always works with json.loads() -> no extra parsing required. Relevant issue - https://github.com/BerriAI/litellm/issues/2654
import os
import sys
import traceback
from dotenv import load_dotenv
load_dotenv()
import io
import os
sys.path.insert(
0, os.path.abspath("../..")
) # Adds the parent directory to the system path
import json
import warnings
from typing import List
import pytest
import litellm
from litellm import completion
# Just a stub to keep the sample code simple
class Trade:
def __init__(self, order: dict):
self.order = order
@staticmethod
def buy(order: dict):
return Trade(order)
@staticmethod
def sell(order: dict):
return Trade(order)
def trade(model_name: str) -> List[Trade]: # type: ignore
def parse_order(order: dict) -> Trade:
action = order["action"]
if action == "buy":
return Trade.buy(order)
elif action == "sell":
return Trade.sell(order)
else:
raise ValueError(f"Invalid action {action}")
def parse_call(call) -> List[Trade]:
arguments = json.loads(call.function.arguments)
trades = [parse_order(order) for order in arguments["orders"]]
return trades
tool_spec = {
"type": "function",
"function": {
"name": "trade",
"description": "Execute orders to manage the portfolio. Orders will be executed immediately at the stated prices.",
"parameters": {
"type": "object",
"properties": {
"orders": {
"type": "array",
"items": {
"type": "object",
"properties": {
"action": {"type": "string", "enum": ["buy", "sell"]},
"asset": {"type": "string"},
"amount": {
"type": "number",
"description": "Amount of asset to buy or sell.",
},
},
"required": ["action", "asset", "amount"],
},
},
},
},
},
}
try:
response = completion(
model_name,
[
{
"role": "system",
"content": """You are an expert asset manager, managing a portfolio.
Always use the `trade` function. Make sure that you call it correctly. For example, the following is a valid call:
```
trade({
"orders": [
{"action": "buy", "asset": "BTC", "amount": 0.1},
{"action": "sell", "asset": "ETH", "amount": 0.2}
]
})
```
If there are no trades to make, call `trade` with an empty array:
```
trade({ "orders": [] })
```
""",
},
{
"role": "user",
"content": """Manage the portfolio.
Don't jabber.
This is the current market data:
```
{market_data}
```
Your portfolio is as follows:
```
{portfolio}
```
""".replace(
"{market_data}", "BTC: 64,000 USD\nETH: 3,500 USD"
).replace(
"{portfolio}", "USD: 1000, BTC: 0.1, ETH: 0.2"
),
},
],
tools=[tool_spec],
tool_choice={
"type": "function",
"function": {"name": tool_spec["function"]["name"]}, # type: ignore
},
)
calls = response.choices[0].message.tool_calls
trades = [trade for call in calls for trade in parse_call(call)]
return trades
except litellm.InternalServerError:
pass
@pytest.mark.parametrize(
"model", ["claude-3-haiku-20240307", "anthropic.claude-3-haiku-20240307-v1:0"]
)
def test_function_call_parsing(model):
trades = trade(model)
print([trade.order for trade in trades if trade is not None])